ARBs new CKMTA12 and CKMTA24 twin on-board compressor kits were designed to fill the market need for a compact sized yet high-volume compressed air source to suit the high volume airflow needs of most air powered tools, and also to suit the actuation and control needs of the ARB Air Locker , and the harsh and demanding environment of the ARB Air Locker user. Designed for inflating Tires and Air Locker activation when used in conjunction with optional accessories Over-pressure safety valve equipped On-board model available in either a 12V or 24V configuration Suitable for many air tools when used in conjunction with a 4L air tank (optional with on-board models) 100% duty cycle Sealed for moisture and dust resistance Hard anodized cylinder bores for reduced friction Teflon impregnated carbon fiber piston seals for maximum trouble free life Anodized mounting bracket dissipates heat Integrated pressure switch, relays and IP55 (waterproof/dustproof) brushless fan cools electronics, motors and cylinder heads Attributes: Brand Name: ARB GTIN: 09332018003836 Add-On: N/A Air Flow 0PSI: 6.16CFM Air Flow 29PSI: 4.68CFM Duty Cycle: 100% 60/0 Height: 4 inch IP Rating: IP55 Length: 10.8 inch Max Amps: 68.6 Max PSI: 150 Volts: 12V Weight: 17.4 lb Width: 7.5 inch Extended Information: Country of Origin: Australia Emissions : CARB Eligible Packing Information: Quantity of Each: 1 Package UOM: EA Dimension: 20 x 11 x 5 inches Weight: 21 POUNDS PDF: